1. Can you please add the ability to choose a chevron instead of a caret to signify there are menu items under it?
2. Can you please add the ability to collapse/expand the menu and just show the icon when collapsed.
For inspiration - https://www.fluentui-blazor.net/NavMenuTree
Thank you.
Do you have a planned date for Telerik UI for Blazor to fully support Visual Studio 2022 Professional?
Telerik UI for Blazor cannot be used with Visual Studio 2022 Professional in Debug mode and Hot Reload. There are couple issues, see below, that seems to be related, and that Telerik are not willing to fix. Those issues render Telerik UI for Blazor unusable when working with Visual Studio 2022 Professional with Hot Reload.
Predefined dialogs are not shown after hot reload updates are applied and Predefined dialogs throw when hot reload updates are applied
Blazor WASM breaks in VS2022 after Hot Reload in UI for Blazor | Telerik Forums
Hello guys,
I know you probably gonna redirect me to these topics:
https://feedback.telerik.com/blazor/1581128-ability-to-change-the-color-of-the-shape-on-click
But that is not a solution. The OnShapeClick-Event of the TelerikMap still triggers only if you click the shape, that was added last. Which means if I have 3 shapes in my TelerikMap, only a click on the third map will lead to the OnShapeClick event being triggered.
This is not a feature request, as you told Michael in his bug report und not at all related to the feature request of chaning a shape's color up on clicking it...but this is clearly a bug.
Please provide some short feedback on how / when this will be solved. Otherwise as a user of Blazor UI I have to manually write JavaScript Code, dismantle the DOM, trigger Interop-Methods etc. to achieve that behavior that should actually just work out of the box as documented.
Thanks and best regards!
Sebastian
When a DatePicker input is cleared by using the keyboard and the control loses focus, the state of a non-nullable DateTime property is inconsistent with the control.
This behavior is appropriate; however, it can cause user confusion when the underlying value is used to query for data based on a value the user no longer sees.
My proposed solution (bug fix) is to return the value of the DatePicker to the last known good value when the control loses focus.
StateHasChanged() by itself does not cause a re-render of the component, however changing the @key value of the DatePicker does.
See this REPL for a demonstration of the issue and workaround/fix: https://blazorrepl.telerik.com/czEjvVlK18i471S622
namespace Telerik.Blazor.Components.Common;
TelerikGrid<T>
{
public virtual void Rebind()
{
ProcessDataAsync();
}
}
Rebind() doesnt use async/await, but ProcessDataAsync() does, which leads to race conditions.
Here's a demo:
https://codepen.io/MaxSebastian/pen/jOzMWxE
Please let me know if this is possible to make...
Best,
Darko
Refreshing the Grid data frequently may cause performance issues.
Since <TelerikGrid> is implemented as two separate <table>s, one for the headers and a second for the grid, it does not show repeated headers on subsequent pages when using the browser's Print feature.
Due to limitations of the <TelerikGrid> export functionality, I use the browser print function to export PDFs.
I need the table headers to duplicate on subsequent printed and exported pages.
I wonder if there is a way to duplicate the <thead> info in the second table and suppress its display but enable it for @media Print.
More details in ticket 1691848
1) Run the following REPL: https://blazorrepl.telerik.com/wJEJlqvC26v5pK9R49
2) There are 2 TelerikDateInput components binded to the same variable, with a DateInputFormatPlaceholder different than the default "dd/MM/yyyy"
3) In the first TelerikDateInput enter a valid date value
4) Note that the second TelerikDateInput assumes the same value, which is correct
5) Enter an invalid value in the first TelerikDateInput by clearing the day part or the month part or the year part
6) The second TelerikDateInput component assumes the default placeholder, instead of the one specified in DateInputFormatPlaceholder
7) Click on the second TelerikDateInput component: it now assumes correctly the placeholder specified in DateInputFormatPlaceholder
The following gif showcases the scenario: https://i.gyazo.com/a9e1f2d3b87cdac19e4e6b71bdeccb38.mp4
This also affects all the Telerik components that have a <*Component*FormatPlaceholder> tag.
Here is a REPL link which contains many components that have a <*Component*FormatPlaceholder> tag: https://blazorrepl.telerik.com/QJaTlglC29a2s8Ys43
The `Multiple` property is always set to `false` (see code below); one can drag & drop multiple files to the dropzone but only one is uploaded at a time.
Our customers won't accept this behavior as it makes uploads of multiple files very cumbersome. This "detail" makes the `TelerikFileManager` unsuitable for our application.
Please make the `Multiple` property configurable via the `FileManagerUploadSettings`.
(You may also want to consider making `AutoUpload` configurable while you're at it).
__builder2.OpenComponent<TelerikUpload>(266);
__builder2.AddAttribute(267, "AutoUpload", (object?)RuntimeHelpers.TypeCheck(value: true));
__builder2.AddAttribute(268, "SaveUrl", (object?)RuntimeHelpers.TypeCheck(UploadSettings.SaveUrl));
__builder2.AddAttribute(269, "SaveField", (object?)RuntimeHelpers.TypeCheck(UploadSettings.SaveField));
__builder2.AddAttribute(270, "RemoveUrl", (object?)RuntimeHelpers.TypeCheck(UploadSettings.RemoveUrl));
__builder2.AddAttribute(271, "RemoveField", (object?)RuntimeHelpers.TypeCheck(UploadSettings.RemoveField));
__builder2.AddAttribute(272, "WithCredentials", (object?)RuntimeHelpers.TypeCheck(UploadSettings.WithCredentials));
__builder2.AddAttribute(273, "Multiple", (object?)RuntimeHelpers.TypeCheck(value: false));
__builder2.AddAttribute(274, "AllowedExtensions", RuntimeHelpers.TypeCheck(UploadSettings.AllowedExtensions));
__builder2.AddAttribute(275, "MinFileSize", RuntimeHelpers.TypeCheck(UploadSettings.MinFileSize));
Code example:
Possible:
private List<DateTime> _disabledDates = new();
<TelerikDatePicker DisabledDates="_disabledDates">
Not Possible (Requested Feature)
private List<DateTime> _disabledDates = new();
<TelerikDateTimePicker DisabledDates="_disabledDates">
Please consider adding built-in support for a TextTruncationWithAction or TruncateWithButton mode on GridColumn components. This feature would display long text as truncated with ellipsis (...) and a button or icon to reveal the full content, such as in a modal or popover.
Why This Is Needed
In enterprise applications like ERP, cutover planning, or audit logs, we often display descriptions, notes, or comments that can span multiple lines. However:
- Wrapping ruins compact grid layouts.
- Truncating with ellipsis alone hides valuable content.
- Users need quick, inline access to full text without leaving the grid.
I have come across a few instances where it would be awesome if the Data Collection on a MultiSelect, or even a DropDown could have a dynamic property to denote if the option in the collection is selectable. The use case is around items being disabled but remain intact on historical records. If I remove the item currently from the collection then the component no longer shows the item as selected because it isnt in the collection. If I leave the item in the collection, then it shows, but, can then be selected on future items, which I dont want. Would be awesome if I could pass a component parameter, similar to TextField, which is the bool property for if the option in the dropdown is selectable/disabled. This would then make it so that the item could be REMOVED, but not readded or selected on future records unless the value for the property was set back to true.
Please add a property (e.g., OpenOnFocus or AutoOpenOnEdit) to dropdown-based components (such as DropDownList, ComboBox, or inline grid editors) to automatically open the dropdown when the component gains focus or enters edit mode.
Why This Matters
In data-dense UIs — like inline grid editing, cutover task assignment, or status changes — users often need to:
- Quickly select from a known list, such as Status, Owner, or Type.
- Tab rapidly through form fields without needing extra clicks.
- Use keyboard-only navigation efficiently.
Currently, dropdowns often require an additional manual click to open — which slows down power users and disrupts workflows in editable grids.
Grids honor the [DisplayFormat(DataFormatString ... )] annotation for column content, but the FilterMenuType.CheckBoxList filter menu and the TelerikCheckBoxListFilter component don't. This is particularly noteworthy for formatting that truncates the contents such as DateTime which frequently tracks data smaller than user's care about, which can generate many visually identical checkboxes. To go along with the requested change, it would be nice if the filter matched off of the DisplayFormat string considering that is what the user sees and would therefore be referencing, since again, many DataFormatStrings can truncate data.
Because the TelerikCheckBoxListFilter component requires the field to match the data type of the grid's field, there isn't a way for the programmer to choose to show the filter menu with a checklist that matches the displayed values without building a fully custom FilterMenuTemplate with their own foreach loop and then figuring out a way to construct a CompositeFilterDescriptor filled with bracketing FilterDescriptors to account for the range of matching values. This is doubly troublesome since using the structure of CompositeFilterDescriptors needed to do that is not supported in the FilterMenuTemplate without also having to override the FilterMenuButtonsTemplate.
Generally speaking, it would make more sense to the users if the default options in the filter logically and visually matched with the default displayed values.
Reference material:
Grid column contents: https://www.telerik.com/blazor-ui/documentation/components/grid/columns/display-format
Checkbox List: https://www.telerik.com/blazor-ui/documentation/components/grid/filter/checkboxlist
Alternate FilterDescriptor shapes not supported: https://feedback.telerik.com/blazor/1681745-clear-button-in-grid-filtermenu-not-properly-clearing-custom-filter
Example Repl: https://blazorrepl.telerik.com/mJOSuxQw117zM1h321
can you provide a initial File click event handler attribute?
I want the user to be able to click on an initial file to download the file.